I’ve come across numerous articles claiming the Industrial Process requiring high temperatures are not able to be powered by renewable energy. Is this true?
Below is an example of such an article.
https://www.resilience.org/stories/2024-02-09/whither-energy/
Source: Pondy001
4 Comments
Not rly. There are several huge steel companies who are working on solution
…this is literally going to be the only true ‘ round ball in the round hole’ hydrogen application as I understand it.
No
I didn’t read the entire thing because it’s painful.
But I did search for the part you cared.
> Electrical systems melt down at temperatures far below what is necessary to produce glass, for example. But even within the range of possibility, electrical heat generation is energetically and economically expensive — it takes a lot of pricey electricity to run a heat pump.
Yeah.. like if anyone is going to try and make glass melting temperatures using heat pump. Industrial heat is roughly splitted into 3 chunks. Low, between 30 and 150 for food, medical, fabric. Medium between 150 and 400 for chemical processing and refinery. And high which is anything above.
The low range can be easily supplied by a industrial heat pump. Up to the low end of medium is doiable with a heat pump. And can be stored easily.
Medium is more difficult. But solutions like heat battery are aiming to solve this issue. The idea being to store heat as hot bricks, and then extract the heat for use later on. And only ‘charge’ it by heating back up when there’s plenty of renewables. This process is by definition 100% efficient (except heat loss to the environment).
High heat above a few hundred is more difficult. This is where green hydrogen actually makes sense. The flame reachs 1000 degrees and is being used to make green steel now. Scaling up is needed .
Source: https://youtu.be/Z2NBbJX-cGM